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Given the high density of these birds in the public parks and gardens of most cities, they may pose a direct threat to public health.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods<\/jats:title>\n            <jats:p>A total of 118 pigeons were captured in three samplings carried out in 2006-2007 in public parks and gardens in Madrid, Spain. Standard haematological and morphological analyses were carried out on the pigeons. PCR was used to screen for the presence of <jats:italic>Campylobacter jejuni<\/jats:italic>, <jats:italic>C. coli<\/jats:italic> and <jats:italic>Chlamydophila psittaci<\/jats:italic>. Positive samples were confirmed by DNA sequencing.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>The analyses demonstrated a high prevalence of <jats:italic>Chlamydophila psittaci<\/jats:italic> (52.6%) and <jats:italic>Campylobacter jejuni<\/jats:italic> (69.1%) among the birds captured. In contrast, <jats:italic>Campylobacter coli<\/jats:italic> was rarely detected (1.1%).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>Pigeons in Madrid can carry <jats:italic>Chlamydophila psittaci<\/jats:italic> and <jats:italic>Campylobacter jejuni<\/jats:italic>. They may be asymptomatic or subclinical carriers of both pathogens.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1751-0147-52-45","type":"journal-article","created":{"date-parts":[[2010,6,22]],"date-time":"2010-06-22T18:13:57Z","timestamp":1277230437000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":44,"title":["Screening for several potential pathogens in feral pigeons (Columba livia) in Madrid"],"prefix":"10.1186","volume":"52","author":[{"given":"Bel\u00e9n","family":"V\u00e1zquez","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fernando","family":"Esper\u00f3n","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elena","family":"Neves","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan","family":"L\u00f3pez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carlos","family":"Ballesteros","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda Jes\u00fas","family":"Mu\u00f1oz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2010,6,22]]},"reference":[{"key":"613_CR1","doi-asserted-by":"publisher","first-page":"7","DOI":"10.1139\/z01-202","volume":"80","author":"R Sacchi","year":"2002","unstructured":"Sacchi R, Gentilli A, Razzetti E, Barbieri F: Effects of building features on density and flock distribution of feral pigeons Columba livia var. domestica in an urban environment. 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